Constant Contact MCP Server and API by Cotlet for ChatGPT

dev.cotlet/constant-contact

Constant Contact small business email marketing MCP server: get email report.

client:ChatGPT transport:streamable-http

Install Constant Contact MCP Server and API by Cotlet in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://cotlet.dev/mcp/v1/constant-contact/connect

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs